| Sankt Polten to Sofia | 532.58 mi (857.11 km) |
| Sankt Polten to Sopot | 585.12 mi (941.66 km) |
| Sankt Polten to Sozopol | 708.94 mi (1,140.92 km) |
| Sankt Polten to Sredets | 692.02 mi (1,113.71 km) |
| Sankt Polten to Stamboliyski | 602.89 mi (970.25 km) |
| Sankt Polten to Stara Zagora | 628.70 mi (1,011.79 km) |
| Sankt Polten to Svilengrad | 680.87 mi (1,095.75 km) |
| Sankt Polten to Svishtov | 564.34 mi (908.22 km) |
| Sankt Polten to Targovishte | 628.98 mi (1,012.24 km) |
| Sankt Polten to Teteven | 554.70 mi (892.70 km) |
| Sankt Polten to Troyan | 572.79 mi (921.82 km) |
| Sankt Polten to Tryavna | 603.01 mi (970.45 km) |
| Sankt Polten to Tutrakan | 598.95 mi (963.92 km) |
| Sankt Polten to Varna | 684.93 mi (1,102.29 km) |
| Sankt Polten to Veliki Preslav | 641.85 mi (1,032.97 km) |
